Mouthpiece



FIG. 1 is a top front perspective view of a first embodiment of a mouthpiece, showing my new design, shown in use with exemplifying environmental subject matter;

FIG. 2 is an enlarged top front perspective view thereof, with some exemplifying environmental subject matter removed;

FIG. 3 is a top rear perspective view thereof;

FIG. 4 is another top rear perspective view thereof;

FIG. 5 is a cross sectional side view thereof, taken in a direction of line 5-5 on FIG. 2;

FIG. 6 is another cross sectional side view thereof, taken in the direction of line 5-5 on FIG. 2, and in a position of use with additional exemplifying environmental subject matter;

FIG. 7 is a front top perspective view of a second embodiment of a mouthpiece;

FIG. 8 is a front view thereof;

FIG. 9 is a right side view thereof, with the left side view being a mirror image thereof;

FIG. 10 is a top view thereof; and,

FIG. 11 is a bottom view thereof.

The broken lines are shown for the purpose of illustrating environmental structure and parts of the article that form no part of the claimed design. 

CLAIM The ornamental design for a mouthpiece, as shown and described. 